{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T22:11:03Z","timestamp":1793398263837,"version":"4.5.0"},"reference-count":55,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2025,5,31]],"date-time":"2025-05-31T00:00:00Z","timestamp":1748649600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100002920","name":"Research Grants Council, University Grants Committee","doi-asserted-by":"publisher","award":["151594\/16M"],"award-info":[{"award-number":["151594\/16M"]}],"id":[{"id":"10.13039\/501100002920","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004377","name":"Hong Kong Polytechnic University","doi-asserted-by":"publisher","award":["RUNV"],"award-info":[{"award-number":["RUNV"]}],"id":[{"id":"10.13039\/501100004377","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Neurorehabil Neural Repair"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Compromised dual-task walking ability reduces functional independence in community-dwelling individuals after stroke.\n                      <jats:italic>Objective.<\/jats:italic>\n                      To examine the influence of mobility task and cognitive task type and complexity, and their interaction on dual-task level-ground walking and obstacle-crossing after stroke.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Ninety-three individuals with chronic stroke (mean [SD] age\u2009=\u200962.4 [6.7] years, stroke duration\u2009=\u200967.7 [53.5] months) participated in this observational study with repeated measures. For each dual-task testing condition, a mobility task (level-ground walking or obstacle-crossing) was performed concurrently with 1 of 5 cognitive tasks (serial-subtractions, category naming, clock test, auditory discrimination, and shopping-list recall). Each cognitive task involved low and high complexity levels, yielding 20 dual-task conditions in total. Dual-task effect (DTE\u2009=\u2009[single-task\u2009\u2212\u2009dual-task]\u00d7\n                      <jats:italic>100<\/jats:italic>\n                      \/single-task) on walking distance (mobility-DTE) and number of correct responses (cognitive-DTE) were calculated for each dual-task condition.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Medium to large interaction effects were observed between cognitive task type and complexity on cognitive (\n                      <jats:italic>F<\/jats:italic>\n                      \u2009=\u200912.0-15.8,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.001, \u03b7p\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090.12-0.15) and mobility performance (\n                      <jats:italic>F<\/jats:italic>\n                      \u2009=\u20093.2-5.5,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.05, \u03b7p\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090.03-0.06) during dual-task level-ground walking and obstacle-crossing. Among the cognitive tasks, serial-subtraction had the greatest interference effect on both cognitive (Mean DTE\u2009=\u2009\u22129.2 to \u221221.5%) and mobility performance (Mean DTE\u2009=\u2009\u221218.7 to \u221219.1%). Overall, \u201cmobility interference\u201d (decrement in walking distance without a decrement in cognitive performance) was the most common dual-task effect pattern observed.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The type and complexity level of the mobility and cognitive tasks interact to influence the degree and pattern of dual-task effects, with the serial-subtraction task inducing the greatest effect. Standardized assessments involving distinct cognitive domains are necessary for profiling dual-task interference during walking among individuals with chronic stroke.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15459683251340930","type":"journal-article","created":{"date-parts":[[2025,5,31]],"date-time":"2025-05-31T06:38:39Z","timestamp":1748673519000},"page":"624-638","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Effects of Cognitive Task Type and Complexity on Dual-Task Interference During Level-Ground Walking and Obstacle Negotiation in Individuals with Stroke"],"prefix":"10.1177","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8920-4565","authenticated-orcid":false,"given":"Charlotte Sau Lan","family":"Tsang","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0941-8484","authenticated-orcid":false,"given":"Huixi","family":"Ouyang","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong"},{"name":"School of Biomedical Engineering, Guangzhou Medical University, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5675-2824","authenticated-orcid":false,"given":"Tiev","family":"Miller","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong"},{"name":"International Collaboration on Repair Discoveries, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada"},{"name":"Department of Medicine, Division of Physical Medicine and Rehabilitation, University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1652-8945","authenticated-orcid":false,"given":"Marco Yiu Chung","family":"Pang","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,5,31]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1310\/tsr2104-347"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2009.11.008"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/29.5.441"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1080\/16501970500478023"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gaitpost.2022.01.019"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/0269215519828146"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jphys.2021.12.009"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1037\/0033-2909.116.2.220"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2013.08.002"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1177\/1545968315613864"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","unstructured":"Dennis A Dawes H Elsworth C et al. 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